Scientific Name: Murgantia histrionica
Family: Pentatomidae
Native Range: North American, Pennsylvania*
Size:
Active: One generation per year in Pennsylvania. Adults overwinter.*
Color and Appearance: Stink bug shape with bright markings in yellow, orange, and white.*
A major pest to Brassicas, which is why ours are found on kale.*
*From Wikipedia (https://en.wikipedia.org/wiki/Harlequin_cabbage_bug)
Harlequin Cabbage Bugs Mating on Kale 
Harlequin Cabbage Bug Nymph on Kale